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Hello all
Pleas help me in this case.

Best regards in advance.

Hi vesna I try to model a strut as follows: wipe all; ## Units kips-inches model BasicBuilder -ndm 2 -ndf 3 ## Nodes node 1 0.0 0.0 node 2 10.0 0.0 node 3 12.0 0.0 node 4 50.0 0.5 node 5 88.0 0.0 node 6 90.0 0.0 node 7 100.0 0.0 ## Mass mass 7 1.0 0.0 0.0 #Boundary Conditions fix 1 1 1 1 fix 7 0 1 1...

Hello vesna
I like use the HSS sections (Pipe) in my model. But the area and other section features dont confirm with those is achieved by in AISC3.PRO of ETABS model.
i.e. the section modeld in opensees is stiffer than the section in ETABS. Are the nominal dimentions diffrent from real dimentions?

Dear moshref
can you send your TCL brace buckling code to my email?
reza.zb@gmail.com
Thanks

Hi vesna
I read this report completely and modeled the braces based on that, but this way is sensitive to the pushover analysis.
opensees give me a negative eigenvalue in low level of interstory drifts.

Hi vesna
I am very grateful if you give me a proposal to solve this problem in pushover analysis. How can I correctly model the brace buckling?
Thanks a lot.

hello vesna I have a problem with pushover analysis in braced frames. In this case the analysis is very sensitive to initial camber in midspan of braces (which are used to model global buckling). As such the brace behavior is unreliable and the analysis lead to fail. Pleas help me for modeling the b...

Hello vesna and fh
I have a same problem with equalDOF in 3D models. I develop tow nodes with identical cordinate and use "equalDOF 313 31301 1 2 3 4 5 6" for these, but OpenSees give me different displacement in output along with many warning during run.

Hello vesna I try also this recorder, and only time is recorded in output. Another problem is the track of moment and rotation in beams and columns individually at the location of beam-column connections. I have a simple beam-column connection and want to get the rotation and moment of beam and colu...

Dear vesna Thanks a lot for your reply. I try : recorder Element -file "$OutFileID/20smfp_Output/rezatangent.txt" -time -ele 42300 material 42300 tangent recorder Element -file "$OutFileID/20smfp_Output/rezastiff.txt" -time -ele 42300 stiff recorder Element -file "$OutFileID...

Hello vesna I have a problem with the 'stressANDstrain' recorder in rotational spring. A piece of my code is: ########################################################################################################### # rotPanelZone2D.tcl # Procedure that creates a rotational spring and constrains t...

hello vesna
Can you suggest to me a book about teaching the OpenSees contain numerical examples ?

Best Regards

Thanks vesna
You did a great help to me.
Tanks a lot vesna.

hello vesna
Are you read my reply?
Whether there is ambiguity with my reply?

pleas help me
Thanks

hi vesna
I have a adaptive pushover analysis in which shear forces of columns in each story at each step of analysis are in a loop.
I couldn't record these shears during the analysis.
thanks